Created attachment 202511 [details] rom Whenever I try to restart the Xorg server, the screen turns black and nothing can revive it. lspci -vvv 00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Device 80d1 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 128 Region 0: Memory at a0000000 (64-bit, non-prefetchable) [size=16M] Region 2: Memory at 90000000 (64-bit, prefetchable) [size=256M] Region 4: I/O ports at 4000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: [40] Vendor Specific Information: Len=0c <?> Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag- RBE+ DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend- DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-, OBFF Not Supported DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit- Address: fee00018 Data: 0000 Capabilities: [d0] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100 v1] #1b Capabilities: [200 v1] Address Translation Service (ATS) ATSCap: Invalidate Queue Depth: 00 ATSCtl: Enable-, Smallest Translation Unit: 00 Capabilities: [300 v1] #13 Kernel driver in use: i915 Kernel modules: i915 dmesg [ 0.000000] ACPI: UEFI 0x0000000087FFB000 000042 (v01 HPQOEM INSYDE 00000002 HP 00040000) [ 0.497363] Freeing initrd memory: 12724K (ffff88003f38e000 - ffff88003fffb000) [ 0.512878] efifb: probing for efifb [ 0.512897] efifb: framebuffer at 0x90000000, mapped to 0xffffc90001000000, using 8100k, total 8100k [ 0.512899] efifb: mode is 1920x1080x32, linelength=7680, pages=1 [ 0.512899] efifb: scrolling: redraw [ 0.512901] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0 [ 0.517254] fb0: EFI VGA frame buffer device [ 0.868283] [<ffffffff8106fb27>] ptdump_walk_pgd_level_core+0x307/0x450 [ 1.196238] [drm] Initialized drm 1.1.0 20060810 [ 1.305861] [drm] Memory usable by graphics device = 4096M [ 1.305867] fb: switching to inteldrmfb from EFI VGA [ 1.305988] [drm] Replacing VGA console driver [ 1.313025] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.313027] [drm] Driver supports precise vblank timestamp query. [ 1.353205] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0 [ 1.438671] fbcon: inteldrmfb (fb0) is primary device [ 2.653678] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 2.716751] [drm] RC6 on [ 10.437882] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) As far as I can see it's a eDP connection.
Created attachment 202521 [details] drm.debug=14 Here's a debug log.
Strangely the module and the kernel think they are just fine: # cat /sys/class/drm/card0/error no error state collected As per https://01.org/linuxgraphics/documentation/how-report-bugs : -- system architecture: x86_64 -- kernel version: 4.4.0-1.fc24.x86_64 -- Linux distribution: Fedora 23 with kernel 4.4.0 -- Machine or mother board model: HP Pavilion 13 x360 s128nr, 1920x1080 IPS Panel by Samsung -- Display connector: supposedly eDP
https://bugs.freedesktop.org/show_bug.cgi?id=93950